The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2000
Filed:
Aug. 22, 1997
Applicant:
Inventor:
William John Folder, Kiama Downs, AU;
Assignees:
Ishikawajima-Harima Heavy Indistries Limited, Tokyo, JP;
BHP Steel (JLA) Pty Ltd., Melbourne, AU;
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164480 ; 164428 ; 164607 ;
Abstract
Metal strip (20) is cast from casting pool (68) of molten metal supported above nip (69) between chilled casting rolls (16). Molten metal is introduced into the casting pool by nozzle (19) having a trough (61) closed by a bottom floor (63). Metal is supplied to trough (61) in free-falling streams (65) which impinge on floor (63) and fan outwardly across the floor and through nozzle side openings (64) into the casting pool. Streams (65) are staggered longitudinally of the trough with respect to the side openings (64).